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40,121

40,121 is a composite number, odd.

This number doesn't have a permanent NumberWiki page yet — what you see below is computed live. Pages get added to the permanent index when they're notable (years, primes, curated, etc.).
Arithmetic Number Deficient Number Odious Number Semiprime Squarefree

Properties

Parity
Odd
Digit count
5
Digit sum
8
Digit product
0
Digital root
8
Palindrome
No
Bit width
16 bits
Reversed
12,104
Square (n²)
1,609,694,641
Cube (n³)
64,582,558,691,561
Divisor count
4
σ(n) — sum of divisors
40,932
φ(n) — Euler's totient
39,312
Sum of prime factors
810

Primality

Prime factorization: 53 × 757

Nearest primes: 40,111 (−10) · 40,123 (+2)

Divisors & multiples

All divisors (4)
1 · 53 · 757 · 40121
Aliquot sum (sum of proper divisors): 811
Factor pairs (a × b = 40,121)
1 × 40121
53 × 757
First multiples
40,121 · 80,242 (double) · 120,363 · 160,484 · 200,605 · 240,726 · 280,847 · 320,968 · 361,089 · 401,210

Sums & aliquot sequence

As a sum of two squares: 11² + 200² = 115² + 164²
As consecutive integers: 20,060 + 20,061 731 + 732 + … + 783 326 + 327 + … + 431
Aliquot sequence: 40,121 811 1 0 — terminates at zero

Representations

In words
forty thousand one hundred twenty-one
Ordinal
40121st
Binary
1001110010111001
Octal
116271
Hexadecimal
0x9CB9
Base64
nLk=
One's complement
25,414 (16-bit)
In other bases
ternary (3) 2001000222
quaternary (4) 21302321
quinary (5) 2240441
senary (6) 505425
septenary (7) 224654
nonary (9) 61028
undecimal (11) 28164
duodecimal (12) 1b275
tridecimal (13) 15353
tetradecimal (14) 1089b
pentadecimal (15) bd4b

Historical numeral systems

Babylonian (base 60)
𒌋𒁹 𒁹𒁹𒁹𒁹𒁹𒁹𒁹𒁹 𒌋𒌋𒌋𒌋𒁹
Egyptian hieroglyphic
𓂍𓂍𓂍𓂍𓍢𓎆𓎆𓏺
Greek (Milesian)
͵μρκαʹ
Mayan (base 20)
𝋥·𝋠·𝋦·𝋡
Chinese
四萬零一百二十一
Chinese (financial)
肆萬零壹佰貳拾壹
In other modern scripts
Eastern Arabic ٤٠١٢١ Devanagari ४०१२१ Bengali ৪০১২১ Tamil ௪௦௧௨௧ Thai ๔๐๑๒๑ Tibetan ༤༠༡༢༡ Khmer ៤០១២១ Lao ໔໐໑໒໑ Burmese ၄၀၁၂၁

Digit at this position in famous constants

π — Pi (π)
Digit 40,121 = 0
e — Euler's number (e)
Digit 40,121 = 7
φ — Golden ratio (φ)
Digit 40,121 = 3
√2 — Pythagoras's (√2)
Digit 40,121 = 7
ln 2 — Natural log of 2
Digit 40,121 = 9
γ — Euler-Mascheroni (γ)
Digit 40,121 = 4

Also seen as

Unicode codepoint
CJK Unified Ideograph-9Cb9
U+9CB9
Other letter (Lo)

UTF-8 encoding: E9 B2 B9 (3 bytes).

Hex color
#009CB9
RGB(0, 156, 185)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.156.185.

Address
0.0.156.185
Class
reserved
IPv4-mapped IPv6
::ffff:0.0.156.185

Unspecified address (0.0.0.0/8) — "this network" placeholder.

Position in π

The digit sequence 40121 first appears in π at position 210,952 of the decimal expansion (the 210,952ordinal-suffix:nd digit after the integer 3).

Search range: the first 1,000,000 fractional digits of π. Any 6-digit-or-shorter string is virtually guaranteed to appear in there — the more interesting signal is the position.